Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following is NOT a common body part of a chordate?
a. | tail | c. | pharyngeal pouch | b. | notochord | d. | backbone |
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2.
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Which of the following is NOT a class of fishes?
a. | bony | c. | pharyngeal | b. | jawless | d. | cartilaginous |
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3.
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Which of the following is NOT a group of amphibians?
a. | salamanders | c. | caecilians | b. | lizards and snakes | d. | frogs and toads |
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4.
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What helps reptiles to reduce their water loss?
a. | They have thick, dry skin. | c. | They are
endotherms. | b. | They can walk on land. | d. | They breathe through their skin. |
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5.
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Which of the following is NOT a part of an amniotic egg?
a. | yolk | c. | allantois | b. | vocal sac | d. | albumen |
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6.
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How do most reptiles breathe?
a. | with their gills | c. | with their lungs | b. | through their skin | d. | through the amniotic
sac |
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7.
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How do reptiles usually reproduce?
a. | internal fertilization | c. | metamorphosis | b. | external fertilization | d. | unfertilized
eggs |
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8.
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Which of the following is NOT a group of reptiles?
a. | frogs and toads | c. | lizards and snakes | b. | crocodiles and alligators | d. | tuataras |
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9.
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Which of the following is NOT a common body part of chordates?
a. | pharyngeal pouch | c. | notochord | b. | tail | d. | fin |
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10.
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An animal that can stay warm in cold weather because it can control its own body
temperature is said to be
a. | an endotherm. | c. | coldblooded. | b. | an ectotherm. | d. | an ecological
indicator. |
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11.
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How do scales help fishes swim?
a. | They remove oxygen from the air. | b. | They help fishes steer, stop, and
balance. | c. | They protect the body and lower friction. | d. | They remove carbon
dioxide from the blood. |
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12.
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Which of the following is NOT a class of fishes?
a. | cartilaginous | c. | bony | b. | caecilian | d. | jawless |
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13.
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How do amphibians breathe?
a. | through their gills and lung | b. | through their gills and
skin | c. | through their pharyngeal pouches and lungs | d. | through their lungs
and skin |
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14.
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Which is NOT a stage of amphibian metamorphosis?
a. | tadpole | c. | adult frog | b. | chordate | d. | fertilized egg |
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15.
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Which is NOT a group of amphibians?
a. | tuataras | c. | salamanders | b. | frogs and toads | d. | caecilians |
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16.
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Because amphibians are sensitive to changes in the environment, they are often
called
a. | ecological indicators. | c. | endotherms. | b. | allantois. | d. | double-life
indicators. |
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17.
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Which of the following traits make reptiles suited to life on land?
a. | They are ecological indicators. | c. | They are
endotherms. | b. | They have thin skin to absorb oxygen. | d. | They lay amniotic
eggs. |
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18.
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What are the most common reptiles in the world today?
a. | tuataras | c. | caecilians | b. | turtles and tortoises | d. | snakes and
lizards |
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19.
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What is the embryonic structure in chordates that is usually replaced by a
backbone?
a. | hollow nerve cord | c. | pharyngeal pouch | b. | notochord | d. | tail |
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20.
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What saclike organ in amphibians takes oxygen from the air and exchanges it with
carbon dioxide from the blood?
a. | pharyngeal pouch | c. | gill | b. | lung | d. | swim bladder |
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21.
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When a female fish lays unfertilized eggs in the water and the male drops sperm
on them, it is called
a. | external fertilization. | c. | embryonic
fertilization. | b. | internal fertilization. | d. | amniotic fertilization. |
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22.
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What is the thin-walled sac of skin that surrounds a frog’s vocal cords
called?
a. | vocal sac | c. | swim bladder | b. | vibrating sac | d. | scales |
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Completion
Complete each
statement.
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Use the terms from the following list to complete the sentences
below.
| endotherm | metamorphosis | | gill | lateral line | | amniotic egg | ectotherm | | |
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23.
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A reptile’s most important adaptation to life on land is the
____________________.
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24.
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An amphibian’s change from an immature form to an adult form is called
____________________.
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Short Answer; PICK 4 OUT OF 6 questions to answer. Explain your answer
for full credit. 2 pts each.
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25.
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Describe how the characteristics of fishes help them to live in the
water.
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26.
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Sharks are a member of what class of fishes?
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27.
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What does the word amphibian actually mean?
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28.
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What is the largest group of amphibians?
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29.
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Most fishes are ectotherms. What does this mean?
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30.
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How do snakes eat their prey?
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Essay; PICK 2 OUT OF 3 questions to answer. Worth 4 pts extra credit
each question. Explain your answer and write in complete sentences for full credit.
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31.
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At the zoo, you see an unusual four-legged, hairless animal. It is smaller than
your hand and lives in a hole in the ground in a darkened display case. One of the zoo assistants
allows you to reach into the display and touch the animal. Although the ground and air in the display
are cool, the animal feels warm to the touch. Is this strange animal likely to be an ectotherm or an
endotherm? Why do you think so?
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32.
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Compare the special adaptations of fish, amphibians, and reptiles, and describe
how these adaptations help each survive.
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33.
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Amphibians are often called ecological indicators. Keeping in mind
amphibians’ characteristics, what kinds of environmental damage do you think is most likely to
lead to the loss of amphibian species?
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